.update-container {
    display: flex;
    position: relative;
    padding: 20px 0px 80px 0;
    width: 100%;
    flex-direction: column;
    align-items: center;
  }
  .update-sub-box {
    display: flex;
    justify-content: center;
    width: 100%;
  }
  .updatestyle {
    border-radius: 15px;
    background: var(--item-bg);
    display: flex;
    flex-direction: column;
    padding: 10px 10px 10px 10px;
    margin: 5px;
    border: 2px solid var(--font-color);
    width: 25%;
    height: fit-content;
  }
  .updatestyle * {
    margin: 5px;
  }
  
  .file-upload {
    position: relative;
    display: inline-block;
    background: var(--main-bg);
    border-radius: 0.4em;
  }
  
  .file-upload_label {
    display: block;
    padding: 1em 2em;
    color: white;
    font-size: 18px;
    font-weight: bold;
    -webkit-font-smoothing: antialiased;
    text-align: center;
  }
  .file-upload_label:hover {
    cursor: pointer;
  }
  .file-upload_input {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    width: 0;
    height: 100%;
    opacity: 0;
  }
  .file-item {
    margin: 10px;
    border-radius: 0.4em;
    height: 40px;
    background: #595e68;
    color: #ffffff;
    text-align: center;
    line-height: 40px;
    pointer-events: none;
  }
  .file-item::before {
    content: "\f016";
    /* 需要添加这句才能显示Unicode */
    font-family: FontAwesome;
    position: absolute;
    left: 20%;
  }
  .file-item::after {
    content: "\f00d";
    font-family: FontAwesome;
    position: absolute;
    right: 10%;
    pointer-events: auto;
    cursor: pointer;
  }
  .file-upload-btn {
    /* display: none; */
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  .load {
    position: relative;
    /*change these sizes to fit into your project*/
    width: 50px;
    height: 50px;
    display: none;
  }
  .load hr {
    border: 0;
    margin: 0;
    width: 30%;
    height: 30%;
    position: absolute;
    border-radius: 50%;
    animation: spin 2s ease infinite;
  }
  
  .load :first-child {
    background: #19a68c;
    animation-delay: -1.5s;
  }
  .load :nth-child(2) {
    background: #f63d3a;
    animation-delay: -1s;
  }
  .load :nth-child(3) {
    background: #fda543;
    animation-delay: -0.5s;
  }
  .load :last-child {
    background: #193b48;
  }
  
  @keyframes spin {
    0%,
    100% {
      transform: translate(0);
    }
    25% {
      transform: translate(160%);
    }
    50% {
      transform: translate(160%, 160%);
    }
    75% {
      transform: translate(0, 160%);
    }
  }
  